Patents by Inventor RENYUAN ZHU

RENYUAN ZHU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10460658
    Abstract: An organic light-emitting display panel, a driving method and an organic light-emitting display device are provided. The organic light-emitting display panel includes a first pixel driving circuit, and a second pixel driving circuit disposed adjacent to the first pixel driving circuit along a row direction of a pixel matrix. The first pixel driving circuit is connected to a first scanning signal line, and the second pixel driving circuit is connected to a second scanning signal line. The first and the second pixel driving circuits share a same data line. The same data line is configured to time-sharingly provide an initialization signal to the first and the second pixel driving circuits, time-sharingly detect threshold voltages of driving transistors in the first and the second pixel driving circuits, and time-sharingly provide a compensated data signal to the first and the second pixel driving circuits.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: October 29, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Dongxu Xiang, Yue Li, Dong Qian, Zeyuan Chen, Gang Liu, Renyuan Zhu, Tong Wu
  • Patent number: 10460673
    Abstract: The disclosure discloses a pixel circuit, a method for driving the same, and a display panel. Before a drive control module controls a drive transistor to drive a light emitting device to emit light, a node reset module provides a gate of the drive transistor with a signal of a first voltage terminal; and also while the node reset module is providing the gate of the drive transistor with the signal of the first voltage terminal, a light emitting control module provides a first electrode of the drive transistor with the signal of the first voltage terminal.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: October 29, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yana Gao, Dongxu Xiang, Renyuan Zhu, Yue Li, Zeyuan Chen, Zhonglan Cai
  • Publication number: 20190325800
    Abstract: The present disclosure provides a shift register. The shift register includes: a first node control module configured to control level at a first node based on a first clock signal and a second clock signal; a second node control module configured to control level at a second node based on level at the first node, the first clock signal, the second clock signal, a first low level signal and a high level signal; an output control module configured to control an output terminal to output high or low level based on level at the first node, level at the second node, the high level signal and a second low level signal; and a carry control module configured to control a carry terminal to output high or low level based on level at the second node, level at the output terminal, the high level signal and the second low level signal.
    Type: Application
    Filed: August 10, 2018
    Publication date: October 24, 2019
    Inventors: Dongxu XIANG, Yue LI, Renyuan ZHU, Yana GAO, Xing Yao ZHOU, Juan ZHU, Zhonglan CAI, Yilin XU, Gaojun HUANG
  • Publication number: 20190325815
    Abstract: The present disclosure provides an emission driving circuit, which includes: a first node control module configured to provide an input signal or a high level signal to a first node based on a first clock signal and a second clock signal, to control a level at the first node; a second node control module configured to control a level at a second node based on the level at the first node, the first clock signal, the second clock signal, a first low level signal and the high level signal; and an output control module configured to control an output terminal to output high or low level based on level at the first node, level at the second node, the high level signal and a second low level signal. A low level of the first low level signal is different from a low level of the second low level signal.
    Type: Application
    Filed: October 23, 2018
    Publication date: October 24, 2019
    Inventors: Dongxu XIANG, Yue LI, Renyuan ZHU, Yana GAO, Xingyao ZHOU, Juan ZHU, Zhonglan CAI, Yilin XU, Gaojun HUANG
  • Publication number: 20190325845
    Abstract: The present disclosure provides a driving circuit, a method for controlling light emission, and a display device. The driving circuit includes one or more light emission shift registers, each of which includes a first processing module configured to control a signal at a first node based on signals at the input signal terminal, the first clock signal terminal and the second clock signal terminal; a second processing module including first and second transistors, wherein the first transistor is a dual-gate transistor, and the second transistor has a first terminal electrically connected to the pulse signal terminal and a second terminal electrically connected to the second node; and an output module configured to control a signal at an output signal terminal based on the signals at the first level signal terminal, the second level signal terminal, the first node and the second node.
    Type: Application
    Filed: November 15, 2018
    Publication date: October 24, 2019
    Inventors: Renyuan ZHU, Yue LI, Dongxu XIANG, Yana GAO, Xingyao ZHOU, Gaojun HUANG, Yilin XU, Zhonglan CAI, Juan ZHU
  • Publication number: 20190311669
    Abstract: The present disclosure provides a driving circuit, a display device and a driving method. The driving circuit includes a shift register including: a first input unit for controlling a first node based on signals at first and second clock signal terminals, an input signal terminal, a second node and an output signal terminal; a second input unit for providing a signal at a first constant potential terminal to the second node under control of the first clock signal terminal and providing the signal at the input signal terminal or the first clock signal terminal to the second node under control of the first node; and an output unit for providing a signal at the second clock signal terminal to the output signal terminal under control of the first node and providing a signal at a second constant potential terminal to the output signal terminal under control of the second node.
    Type: Application
    Filed: November 14, 2018
    Publication date: October 10, 2019
    Inventors: Renyuan ZHU, Yue LI, Dongxu XIANG, Yana GAO, Xingyao ZHOU, Gaojun HUANG, Yilin XU, Zhonglan CAI, Juan ZHU
  • Patent number: 10438536
    Abstract: The present disclosure discloses an electroluminescent display panel, a display device and a method for driving the same. The electroluminescent display panel includes a plurality of pixel circuits arranged in an array, wherein the plurality of pixel circuits each includes a node initialization module and an anode reset module; wherein a connection passage is arranged between every two adjacent pixel circuits of each column of the plurality of pixel circuits; and the connection passage is configured to provide a reference signal to either an anode reset module or a node initialization module of one of the every two adjacent pixel circuits.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: October 8, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yana Gao, Dongxu Xiang, Renyuan Zhu, Yue Li, Zeyuan Chen, Zhonglan Cai
  • Publication number: 20190304560
    Abstract: The present disclosure provides a shift register, a driving circuit, a display device and a driving method for improving the accuracy of an output signal. The first input unit of the shift register is configured to provide a signal at a first fixed potential terminal to a first node, a signal at the input signal terminal to the first node and the signal at the input signal terminal to the first node. A second input unit of the shift register is configured to provide the signal at the input signal terminal to the second node and a signal at the first fixed potential terminal to the second node. An output unit of the shift register is configured to provide a signal at the first clock signal terminal to an output signal terminal of the shift register and a signal at a second fixed potential terminal to the output signal terminal.
    Type: Application
    Filed: January 10, 2019
    Publication date: October 3, 2019
    Inventors: Dongxu XIANG, Yue LI, Renyuan ZHU, Yana GAO, Xingyao ZHOU, Zhonglan CAI, Juan ZHU, Yilin XU, Gaojun HUANG
  • Publication number: 20190304382
    Abstract: The present disclosure provides an emission control circuit including a first processing module, a second processing module, a third processing module and an output module. The first processing module generates a first signal in response to a first control signal, a second control signal and a second signal. The second processing module includes a first transistor having a control electrode electrically connected to the first node, a first electrode electrically connected to the second node and a second electrode electrically connected to the first control signal terminal, and a second transistor having a control electrode electrically connected to the first control signal terminal, a first electrode electrically connected to the second node and a second electrode electrically connected to the first control signal terminal. The third processing module generates a third signal and a fourth signal in response to the second control signal, the first signal and the second signal.
    Type: Application
    Filed: August 14, 2018
    Publication date: October 3, 2019
    Inventors: Yana GAO, Xing Yao ZHOU, Yue LI, Renyuan ZHU, Dongxu XIANG, Gaojun HUANG, Yilin XU, Zhonglan CAI, Juan ZHU
  • Publication number: 20190304358
    Abstract: The present disclosure provides a shift register, a driving method of the shift register, an emission driving circuit, and a display device. The shift register includes a first node control module, a second node control module and an output control module. A first low level signal VGL1 provides low level at a first node, and a high level signal provides high level at a second node. The output control module includes a transistor for outputting low level, so that an output terminal outputs a third low level signal. The first low level signal VGL1, the third low level signal VGL3 and a threshold voltage Vth1 of the transistor in the output control module satisfy a relation of VGL3>VGL1+|Vth1|, such that in a phase following the output terminal outputting the high level signal, the output terminal completely outputs the third low level signal.
    Type: Application
    Filed: September 14, 2018
    Publication date: October 3, 2019
    Inventors: Yue LI, Renyuan ZHU, Dongxu XIANG, Yana GAO, Xingyao ZHOU, Gaojun HUANG, Yilin XU, Zhonglan CAI, Juan ZHU
  • Patent number: 10431153
    Abstract: The disclosure discloses a pixel circuit, a method for driving the same, and an organic electroluminescent display panel, where the pixel circuit includes a node initialization module and a drive control module, the node initialization module includes a first switch transistor with a gate electrically connected with a first scan signal terminal, a source electrically connected with a first reference signal terminal, and a drain electrically connected with a first node; and a seventh switch transistor with a gate electrically connected with the first scan signal terminal, a source electrically connected with the second reference signal terminal, and a drain electrically connected with the second node; the drive control module includes a drive transistor with a gate electrically connected with the first node, a source electrically connected with the second node.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: October 1, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yana Gao, Renyuan Zhu, Yue Li, Dongxu Xiang, Zeyuan Chen
  • Publication number: 20190295453
    Abstract: Provided is a shift register, including a first node control module for controlling a level state of a first node based on an input signal, a first clock signal and a second clock signal. The shift register includes a second node control module for controlling a level state of a second node based on the input signal, the first clock signal, the second clock signal and the level state of the first node. In a phase when the input signal is at high level and the first clock signal is at low level, a third node for controlling a level at the second node is provided with high level, such that in a phase when the input signal is at high level and the second clock signal is at low level, the level at the third node is pulled down so as to provide low level at the second node.
    Type: Application
    Filed: October 4, 2018
    Publication date: September 26, 2019
    Inventors: Yue LI, Renyuan ZHU, Dongxu XIANG, Yana GAO, Xingyao ZHOU, Gaojun HUANG, Yilin XU, Zhonglan CAI, Juan ZHU
  • Publication number: 20190295505
    Abstract: The present disclosure provides an emission controller, a driving method thereof, and a display device. The emission controller includes a first processing module, a second processing module, a third processing module, an output module and a shift control module. The first processing module generates a first signal in response to a first control signal, a second control signal and a second signal. The second processing module generates a second signal in response to the first control signal and the first signal. The third processing module generates third and fourth signals in response to the second control signal, the second and first signals. The output module provides emission control signal in response the first and fourth signal. The shift control module provides a shift control signal in response to the first and fourth signal, or provides a shift control signal in response to the first and third signal.
    Type: Application
    Filed: September 21, 2018
    Publication date: September 26, 2019
    Inventors: Yana GAO, Xingyao ZHOU, Yue LI, Dongxu XIANG, Renyuan ZHU, Zhonglan CAI, Juan ZHU, Gaojun HUANG, Yilin XU
  • Patent number: 10417967
    Abstract: The present disclosure discloses a display panel and a display device. The display panel includes a plurality of pixel circuits, and each of the pixel circuit includes an initialization component, a data writing component, a light emitting control component, a voltage storage component, a driving transistor, a first voltage maintenance component, a switching control component, an external compensation component and a light-emitting diode. The driving transistor is a dual-gate transistor, and a second gate of the dual-gate transistor is electrically connected to the external compensation component through the switching control component. The external compensation component is under the control of the switching control component to firstly collect the voltage at a third node and then provide a compensation voltage to a second node to adjust the threshold voltage of the dual-gate transistor so that the threshold voltage of the dual-gate transistor is more approximate to a standard threshold voltage.
    Type: Grant
    Filed: January 7, 2018
    Date of Patent: September 17, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Renyuan Zhu, Yana Gao, Yue Li, Zeyuan Chen
  • Patent number: 10417961
    Abstract: An organic light-emitting display panel, a driving method, and an organic light-emitting display device are provided. The organic light-emitting display panel comprises a plurality of pixel driving circuits, wherein a pixel driving circuit includes a first scan signal terminal and a second scan signal terminal; a light-emitting signal terminal, a data signal terminal, an initialization signal terminal, a first voltage terminal, and a second voltage terminal; a driving module comprising a driving transistor and a first capacitor having two electrode plates electrically connected to a gate electrode and a first electrode of the driving transistor, respectively; an initialization module comprising a first transistor, a first electrode, and a second electrode electrically connected to a second electrode of the driving transistor; a data writing module electrically connected to the gate electrode of the driving transistor; a light-emitting control module; and an organic light-emitting element.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: September 17, 2019
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Dongxu Xiang, Yue Li, Tong Wu, Renyuan Zhu, Gang Liu, Dong Qian, Zeyuan Chen
  • Patent number: 10417969
    Abstract: An organic light emitting (OLED) display panel, a driving method thereof, and a display apparatus are provided. The OLED display panel comprises a display region including N number of pixel rows and a non-display region including a light-emitting driver circuit and a scanning driver circuit. The display region includes a first display region including N1 number of pixel rows and a second display region including N2 number of pixel rows, where N1, N2, and N are positive integers, and N1+N2=N. A pixel row in the second display region has a smaller number of pixels than a pixel row in the first display region. The light-emitting driver circuit is configured to, in scanning time S for each frame, supply a light-emitting control signal having n number of light-emitting cycles to each pixel row in the display region, where n is a positive integer.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: September 17, 2019
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Xingyao Zhou, Chuanli Leng, Yuan Li, Yana Gao, Yue Li, Renyuan Zhu, Dongxu Xiang
  • Patent number: 10417960
    Abstract: The disclosure discloses an organic electroluminescent display panel and a display panel, where initialization transistor and the control transistor are connected by a second power source signal line, and if the initialization transistor is turned on by first scan signal line, and if the control transistor is turned on by light emitting control line, then different electrical signal will be loaded on the second power source signal line to thereby reset the gate of a drive transistor in an initialization stage, and to load power source voltage to the source of the drive transistor for light emission and displaying, in a light emitting stage.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: September 17, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Dongxu Xiang, Yue Li, Renyuan Zhu, Yana Gao
  • Patent number: 10403195
    Abstract: Embodiments of the disclosure provide a shift register, a method for driving the same, and a display device, and the shift register includes: a first input module and a second input module, connected respectively with an input signal terminal and a first clock signal terminal; a first control module and a second control module connected with a second clock signal terminal; a third control module connected with a first reference signal terminal; and an output module and a plurality of capacitors, connected respectively with the first reference signal terminal, the second reference signal terminal, and the output signal terminal.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: September 3, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Renyuan Zhu, Yue Li, Yana Gao, Dongxu Xiang, Zeyuan Chen, Bozhang Sun
  • Patent number: 10373557
    Abstract: The present application discloses an organic light-emitting pixel driving circuit, a driving method and an organic light-emitting display panel. The organic light-emitting pixel driving circuit comprises: a first transistor provides an initialization signal to an anode of the organic light-emitting diode and a gate of the driving transistor; a second transistor compensates a threshold voltage of the driving transistor; a third transistor provides a data signal to the driving transistor; a fourth transistor transmits a first power supply voltage to the driving transistor; a fifth transistor controls electrical connection between the driving transistor and the organic light-emitting diode based on a signal of the second light-emission controlling signal terminal; a capacitor is used to store the data signal transmitted to the driving transistor; an organic light-emitting diode is used to emit light in response to the driving current generated by the driving transistor.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: August 6, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Renyuan Zhu, Yue Li, Tong Wu, Dongxu Xiang, Zeyuan Chen
  • Publication number: 20190237017
    Abstract: A pixel driving circuit, a driving method, a display panel, and a display device are provided. The pixel driving circuit comprises: data writing module, in response to a scan signal transmitting a data signal; mirror driving module, receiving the data signal and generating a driving current, and including a first transistor and a second transistor; and a light-emitting element, in response to the driving current emitting lights. A gate electrode of the first transistor and a gate electrode of the second transistor are both electrically connected to a first joint. A first electrode of the first transistor is electrically connected to a first electrode of the second transistor. A threshold voltage of the first transistor is equal to a threshold voltage of the second transistor. An aspect ratio of the first transistor is A and an aspect ratio of the second transistor is B, and A<B?20A.
    Type: Application
    Filed: April 24, 2018
    Publication date: August 1, 2019
    Inventors: Dongxu XIANG, Renyuan ZHU, Yue LI, Yana GAO, Zhonglan CAI